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[net-next,v10,04/11] octeontx2-pf: Add basic net_device_ops

Message ID 20240805131815.7588-5-gakula@marvell.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series Introduce RVU representors | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 7 this patch: 7
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 29 this patch: 29
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 29 this patch: 29
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 58 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-08-06--00-00 (tests: 707)

Commit Message

Geetha sowjanya Aug. 5, 2024, 1:18 p.m. UTC 
Implements basic set of net_device_ops.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
---
 .../net/ethernet/marvell/octeontx2/nic/rep.c  | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
index 6ea5b4904a7c..a021350fe83a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
@@ -28,6 +28,51 @@  MODULE_DESCRIPTION(DRV_STRING);
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, rvu_rep_id_table);
 
+static netdev_tx_t rvu_rep_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct rep_dev *rep = netdev_priv(dev);
+	struct otx2_nic *pf = rep->mdev;
+	struct otx2_snd_queue *sq;
+	struct netdev_queue *txq;
+
+	sq = &pf->qset.sq[rep->rep_id];
+	txq = netdev_get_tx_queue(dev, 0);
+
+	if (!otx2_sq_append_skb(pf, txq, sq, skb, rep->rep_id)) {
+		netif_tx_stop_queue(txq);
+
+		/* Check again, in case SQBs got freed up */
+		smp_mb();
+		if (((sq->num_sqbs - *sq->aura_fc_addr) * sq->sqe_per_sqb)
+							> sq->sqe_thresh)
+			netif_tx_wake_queue(txq);
+
+		return NETDEV_TX_BUSY;
+	}
+	return NETDEV_TX_OK;
+}
+
+static int rvu_rep_open(struct net_device *dev)
+{
+	netif_carrier_on(dev);
+	netif_tx_start_all_queues(dev);
+	return 0;
+}
+
+static int rvu_rep_stop(struct net_device *dev)
+{
+	netif_carrier_off(dev);
+	netif_tx_disable(dev);
+
+	return 0;
+}
+
+static const struct net_device_ops rvu_rep_netdev_ops = {
+	.ndo_open		= rvu_rep_open,
+	.ndo_stop		= rvu_rep_stop,
+	.ndo_start_xmit		= rvu_rep_xmit,
+};
+
 static int rvu_rep_napi_init(struct otx2_nic *priv,
 			     struct netlink_ext_ack *extack)
 {
@@ -156,6 +201,7 @@  int rvu_rep_create(struct otx2_nic *priv, struct netlink_ext_ack *extack)
 
 		ndev->min_mtu = OTX2_MIN_MTU;
 		ndev->max_mtu = priv->hw.max_mtu;
+		ndev->netdev_ops = &rvu_rep_netdev_ops;
 		pcifunc = priv->rep_pf_map[rep_id];
 		rep->pcifunc = pcifunc;